middleman/middleman-core/lib/middleman-core/renderers/redcarpet.rb
2012-11-07 11:30:24 -08:00

69 lines
1.8 KiB
Ruby

require "redcarpet"
module Middleman
module Renderers
class RedcarpetTemplate < ::Tilt::RedcarpetTemplate::Redcarpet2
def initialize(*args, &block)
super
if @options.has_key?(:context)
@context = @options[:context]
end
end
# Overwrite built-in Tilt version.
# Don't overload :renderer option with smartypants
# Support renderer-level options
def generate_renderer
return options.delete(:renderer) if options.has_key?(:renderer)
# Pick a renderer
renderer = MiddlemanRedcarpetHTML
# Support SmartyPants
if options.delete(:smartypants)
renderer = Class.new(renderer) do
include ::Redcarpet::Render::SmartyPants
end
end
# Renderer Options
possible_render_opts = [:filter_html, :no_images, :no_links, :no_styles, :safe_links_only, :with_toc_data, :hard_wrap, :xhtml]
render_options = possible_render_opts.inject({}) do |sum, opt|
sum[opt] = options.delete(opt) if options.has_key?(opt)
sum
end
renderer.new(render_options)
end
def evaluate(context, locals, &block)
@context ||= context
if @engine.renderer.respond_to? :middleman_app=
@engine.renderer.middleman_app = @context
end
super
end
end
# Custom Redcarpet renderer that uses our helpers for images and links
class MiddlemanRedcarpetHTML < ::Redcarpet::Render::HTML
attr_accessor :middleman_app
def image(link, title, alt_text)
middleman_app.image_tag(link, :title => title, :alt => alt_text)
end
def link(link, title, content)
middleman_app.link_to(content, link, :title => title)
end
end
::Tilt.register RedcarpetTemplate, 'markdown', 'mkd', 'md'
end
end